A DNA fragment containing the entire coding sequence of nitrilase gene was amplified from Rhodococcus rhodochrous tg1-A6 with high nitrilase activity using PCR and sequenced. The open reading frame… (More)

In this paper, a molecularly directed evolution-based approach was applied to modify the nitrilase from Rhodococcus rhodochrous tg1-A6 for improving properties in catalyzing nitriles. In the process… (More)

TOSA method is a new technique for faster time to improved SA. TOSA method traces optimal elements for reduce ineffective select in the simulated Annealing process. But TOSA take the uneven results… (More)

The water catchment water quality of northwest China is evaluated and managed through the principal component analysis. The results show that the water quality is characterized by high organic load… (More)